Grid Java source code

[smart paper boy]

Code:

import java.awt.*;
import java.applet.*;
import java.awt.event.*;

/*
<applet code="Grid" width=380 height=150>
</applet>*/

public class Grid extends Applet implements ActionListener
{

    String msg;
    TextField tf1,tf2,tf3,tf4,tf5,tf6;
    TextArea tf7;
    Label lb1,lb2,lb3,lb4,lb5,lb6,lb7,lb8,lb9,lb10,lb11,lb12,lb13;
    Button b;
    

    public void init()
    {

        setLayout(new GridLayout(7,3));

        tf1 = new TextField(20);
        tf2 = new TextField(10);
        tf3 = new TextField(20);
        tf4 = new TextField(5);
        tf5 = new TextField(5);
        tf6 = new TextField(40);
        tf7 = new TextArea(10,50);

        
        lb1 = new Label("Name",Label.RIGHT);
        lb2 = new Label("Class",Label.RIGHT);
        lb3 = new Label("RollNo",Label.RIGHT);
        lb4 = new Label("Marks1",Label.RIGHT);
        lb5 = new Label("Marks2",Label.RIGHT);
        lb6 = new Label("Record",Label.RIGHT);
        lb7 = new Label("Result");                    
        lb8 = new Label(" ");
        lb9 = new Label(" ");
        lb10 = new Label(" ");
        lb11 = new Label(" ");
        lb12 = new Label(" ");
        lb13 = new Label(" ");

        b = new Button("SUBMIT");

        add(lb1);
        add(tf1);
        add(lb8);
        add(lb2);
        add(tf2);
        add(lb9);
        add(lb3);
        add(tf3);
        add(lb10);
        add(lb4);
        add(tf4);
        add(lb11);
        add(lb5);
        add(tf5);
        add(lb12);
        add(lb13);
        add(b);
        add(lb7);
        add(tf6);
        add(lb6);
        add(tf7);

        b.addActionListener(this);

        

    }

            
    public void actionPerformed(ActionEvent ae)
    {

                int k = Integer.parseInt(tf4.getText())+
                        Integer.parseInt(tf5.getText());
                msg = tf1.getText() +tf2.getText()+
                        tf3.getText()+tf4.getText()+tf5.getText();
                tf7.append( msg);

                if(k > 50)
                {    
                        tf6.setText("pass");
                }
        else
                {
                        tf6.setText("Fail");
                }
            
    }

}